Home / 30,321.46-41,842.56-16,892.02

Finding the Fourth Proportional to 30,321.46, 41,842.56 and 16,892.02

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Solution

The fourth proportional to 30,321.46, 41,842.56 and 16,892.02 is: 23,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.46 : 41,842.56 = 16,892.02 : x
  2. Step 2: Convert to fraction form
    30,321.46/41,842.56 = 16,892.02/x
  3. Step 3: Cross multiply
    30,321.46x = 41,842.56 × 16,892.02
  4. Step 4: Simplify right side
    30,321.46x = 706,805,360.37
  5. Step 5: Solve for x
    x = 706,805,360.37/30,321.46
  6. Step 6: Final answer
    x = 23,310.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.